We have a broad range of tools to help with everything from benchmarking costs and recording instances of blight, to choosing the perfect varieties of potatoes or cereals for your farm. Take a look at the list below and keep checking back, as we add new tools regularly.

Farmbench tool


Farmbench helps you to understand and compare your full costs of production at both enterprise and whole-farm level.

Machinery Costing Calculator tool


Calculate the cost of farm machinery, per hectare or per hour, with this simple calculator.

Cereals and Oilseeds

Recommended Lists (RL) app

Cereals and oilseeds variety data delivered to your fingertips.

Mycotoxin rainfall risk tool

Calculate rainfall-related mycotoxin risk assessment scores automatically with this tool

Carbon footprinting tool

Calculate the carbon footprint of oilseed rape or cereals.

BYDV management tool

Time your cereals insecticide sprays for aphid/BYDV control with greater accuracy.

Light leaf spot forecast

Temperature and rainfall information is used to simulate disease development.

Phoma leaf spot forecast

Temperature and rainfall information is used to simulate disease development.

Sclerotinia infection risk tool

See the extent of risk of Sclerotinia infection of oilseed rape crops in your area.

Establishment approach assessment tool

Indicates where a change in management approach might be beneficial.

Seed rate conversion tool

Calculate the kg/ha of cereal seed you require based on seed rate and the thousand grain weight.

Variety selection tool

Navigate AHDB Recommended Lists trial data and identify varieties your unique situation.

A man filling a seed drill at the Cereals 2017 event.

Variety blend tool for winter wheat

Use this tool to select three-way or four-way mixes for on-farm testing.

Nitrogen fertiliser adjustment calculator

Use this tool to establish the economic optimum amount of nitrogen to apply to cereal and/or oilseed crops.

Excess winter rainfall tool

How to use excess winter rainfall data to plan nitrogen applications.

Potatoes and Horticulture

Blackcurrant Gall Mite Emergence Charts

These emergence charts are designed to help you time your control measures.

Blackcurrant Chilling Hours Tracker

Calculate your blackcurrant chill hours.

Fight Against Blight

Find all the recorded incidents of blight across the UK and sign up to Blight alerts.


BlightSpy is an upgrade on our longstanding Blight Watch website, allowing potato growers and agronomists to monitor weather forecasts for the predicted occurrence of Hutton Criteria.

Onion downy mildew predictor

We have developed MILLIONCAST to predict the rate of development of downy mildew spores based on temperature and relative humidity.

Potato Variety Database

Independent data on GB-certified potato varieties that have undergone independent resistance testing for key pests, diseases and pathogens.

Potato Variety Comparison Tool

This tool brings together information on potato varieties to allow comparison.

PCN Calculator

Integrated Control of Globodera pallida. This is not a decision support system as it does not offer advice on what you should do. Instead it is an educational tool, or a decision justifier.

Labour efficiency calculator

Our Labour Efficiency Calculator will score your organisation’s Lean and performance management skills.

Irrigation Calculator and Data Recording Sheet

Mark positions of the nearest sprinklers, hedges etc. and compass orientation/wind direction

Beef, Lamb, Dairy and Pork

Beef and Sheep Cash Flow Template

This comprehensive spreadsheet will help you to manage your money.

Dairy Antimicrobial Usage (AMU) Calculator

A calculator to evaluate antibiotic use across your farm and identify areas for potential reduction.

Electronic medicine book for pigs

The electronic medicine book for pigs (eMB-Pigs) enabling the industry to record more accurate on-farm antibiotic usage data.  

Heifer Rearing Cost Calculator

This calculator allows you to see how changes in management affect rearing cost of for birth to weaning, weaning to six months and six months to calving. 

KPI Express Tool

Quickly review dairy, beef & lamb performance figures against a range of measures critical for productivity and profitability.

Medicine Hub

A multi-species data hub for dairy, beef and lamb producers to collate, report and compare their medicine use:

Milk forecasting Calculator

Understand how changes to herd size, yields or calving patterns affect your milk production.

Milk Price Calculator

Input farm-specific data and see where changes can be made to improve the milk price on your current contract.

Recommended Grass and Clover Lists

Explore the varieties on the Recommended Grass and Clover lists for england and wales looking at attributes such as yield, persistency, quality and disease resistance.

There is also a Handbook available in our knowledge library.

Semen usage calculator

By selectively using sexed semen to breed replacement heifers from your best cows, you can reduce rearing costs by only rearing the heifers you need.

Sheep Antimicrobial Usage Tool

This calculator is designed to provide an estimation of antimicrobial usage.

Slurry Wizard

Work out slurry storage requirements, explore options and comply with regulations.

Tractor spreading fertiliser on grassland

Cost benefit calculator for nitrogen fertiliser use on grassland

Use this tool to work out the cost versus the benefit of applying nitrogen fertiliser to grassland.